clear card pane if selecting a directory with no cards,

compose not working if you select a directory with now cards
I thought this was a problem with nsOutlinerSelection,
but it was really a problem with my js,
selecting the first card even when there wasn't one.


git-svn-id: svn://10.0.0.236/branches/AB_OUTLINER_BRANCH@110027 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/mailnews/addrbook/resources/content/abCommon.js

@@ -297,8 +297,10 @@ function GetSelectedAddresses()
   var selectedAddresses = "";
 
   var cards = GetSelectedAbCards();
-  var count = cards.length;
+  if (!cards)
+    return selectedAddresses;
 
+  var count = cards.length;
   for (var i = 0; i < count; i++) { 
     var generatedAddress = GenerateAddressFromCard(cards[i]);
 
@@ -501,8 +503,14 @@ function ChangeDirectoryByDOMNode(dirNode)
 
   UpdateSortIndicators(actualSortColumn, sortDirection);
 
-  setTimeout('SelectFirstCard();',0);
-  
+  // only select the first card if there is a first card
+  if (gAbView && gAbView.getCardFromRow(0)) {
+    SelectFirstCard();
+  }
+  else {
+    // the selection changes if we were switching directories.
+    ResultsPaneSelectionChanged()
+  }
   return;
 }
 

mozilla/mailnews/addrbook/resources/content/abSelectAddressesDialog.js

@@ -195,8 +195,8 @@ function AddSelectedAddressesIntoBucket(prefix)
 
   for (var i = 0; i < count; i++) {
     AddCardIntoBucket(prefix, cards[i]);
-      }
-      }
+  }
+}
 
 function AddCardIntoBucket(prefix, card)
 {
@@ -368,7 +368,6 @@ function DropOnBucketPane(event)
     if (!address)
       continue;
 
-    //dump("    Address #" + i + " = " + address + "\n");
     AddAddressIntoBucket(prefixTo + address, address);
   }